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SubjectRe: [Bug 10328] New: [regression] performance drop for glx
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Am Freitag, den 25.04.2008, 17:07 -0700 schrieb Suresh Siddha:
> On Fri, Apr 25, 2008 at 07:35:23AM +0200, Alexey Fisher wrote:
> > > >> On Tue, 25 Mar 2008 15:11:15 -0700 (PDT)
> > > >> bugme-daemon@bugzilla.kernel.org wrote:
> > > >>
> > > >>> http://bugzilla.kernel.org/show_bug.cgi?id=10328
> > > >>>
> > > >>> Summary: [regression] performance drop for glx
> > > >
> > > > Alexey, Can you please try the appended patch?
> > > >
> > > > Andrew, can you please push the appended patch for 2.6.25? Thanks.
> > > > ---
> > > >
> >
> >
> > This issue come again with commit:
> >
> > commit 2e5d9c857d4e6c9e7b7d8c8c86a68a7842d213d6
> > Author: venkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com>
> > Date: Tue Mar 18 17:00:14 2008 -0700
> >
> > x86: PAT infrastructure patch
> >
> > Sets up pat_init() infrastructure.
> >
>
> Alexey, Sorry. I missed posting a fix in the post PAT series for this issue. Can you
> please try the appended patch and Ack?
>
> copying X folks get their attention and their Ack on the patch and next steps outlined.
>
> Thanks.
> ---
>
> [patch] use UC minus for ioremap(), ioremap_nocache() and pci_mmap_page_range()
>
> Use UC_MINUS for ioremap(), ioremap_nocache() instead of strong UC.
> Once all the X drivers move to ioremap_wc(), we can go back to strong
> UC semantics for ioremap() and ioremap_nocache().
>

Thank you. This patch working.

Ack ?
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